"Ghosttown" was Madonna's 45th chart-topper on the Dance Club Songs chart, breaking the record for the most #1s an artist has tallied on a single Billboard chart.
"Veronica" was inspired by Elvis Costello's grandmother, who suffered from Alzheimer's disease.
"Islands in the Stream" was originally written by The Bee Gees as an R&B song. It was originally written by the brothers for Marvin Gaye, however it was recorded instead as a duet by Kenny Rogers and Dolly Parton with the Gibb Brothers also contributing vocals.
Zayn's "Pillowtalk" reached #1 on the Hot 100, something his former One Direction bandmates never achieved.
The title of the Metallica song "Ride The Lightning" came from a line in the Stephen King book The Stand where a guy is about to be executed.
Two tears roll down Sinead O'Connor's face. toward the end of the video for "Nothing Compares 2 U." They were shed because she associated the song's lyrics of love and loss with her mother, who was killed in a car accident in 1985.
"25 or 6 to 4" to "Semi-Charmed Life" - see if you can spot the songs that are really about drugs.
Kooper produced Lynyrd Skynyrd, played with Dylan and the Stones, and formed BS&T.
An original member of Depeche Mode, Vince went on to form Erasure and Yaz.
Phil was a songwriter, producer and voice behind many Philadelphia soul classics. When disco hit, he got an interesting project: The Village People.
Fiona's highly-anticipated third album almost didn't make it. Here's how it finally came together after two years and a leak.
Zac tells the story of Hanson's massive hit "MMMbop," and talks about how brotherly bonds effect their music.